WO2007053335A3 - Systeme laser - Google Patents

Systeme laser Download PDF

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Publication number
WO2007053335A3
WO2007053335A3 PCT/US2006/041107 US2006041107W WO2007053335A3 WO 2007053335 A3 WO2007053335 A3 WO 2007053335A3 US 2006041107 W US2006041107 W US 2006041107W WO 2007053335 A3 WO2007053335 A3 WO 2007053335A3
Authority
WO
WIPO (PCT)
Prior art keywords
laser
output
oscillator
gas discharge
amplification stage
Prior art date
Application number
PCT/US2006/041107
Other languages
English (en)
Other versions
WO2007053335A2 (fr
Inventor
Alexander I Ershov
William N Partlo
Daniel J W Brown
Igor V Fomenkov
Robert A Bergstedt
Richard L Sandstrom
Ivan Lalovic
Original Assignee
Cymer Inc
Alexander I Ershov
William N Partlo
Daniel J W Brown
Igor V Fomenkov
Robert A Bergstedt
Richard L Sandstrom
Ivan Lalovic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cymer Inc, Alexander I Ershov, William N Partlo, Daniel J W Brown, Igor V Fomenkov, Robert A Bergstedt, Richard L Sandstrom, Ivan Lalovic filed Critical Cymer Inc
Priority to KR1020087013076A priority Critical patent/KR101194231B1/ko
Priority to KR1020117014864A priority patent/KR101238739B1/ko
Priority to JP2008538912A priority patent/JP5506194B2/ja
Priority to EP06836437.1A priority patent/EP1952493A4/fr
Publication of WO2007053335A2 publication Critical patent/WO2007053335A2/fr
Publication of WO2007053335A3 publication Critical patent/WO2007053335A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/22—Gases
    • H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
    • H01S3/225—Gases the active gas being polyatomic, i.e. containing two or more atoms comprising an excimer or exciplex
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/22—Gases
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/70—Microphotolithographic exposure; Apparatus therefor
    • G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • G03F7/7055—Exposure light control in all parts of the microlithographic apparatus, e.g. pulse length control or light interruption
    • G03F7/70583—Speckle reduction, e.g. coherence control or amplitude/wavefront splitting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10084—Frequency control by seeding
    • H01S3/10092—Coherent seed, e.g. injection locking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/22—Gases
    • H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
    • H01S3/225—Gases the active gas being polyatomic, i.e. containing two or more atoms comprising an excimer or exciplex
    • H01S3/2251—ArF, i.e. argon fluoride is comprised for lasing around 193 nm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0057—Temporal shaping, e.g. pulse compression, frequency chirping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/034—Optical devices within, or forming part of, the tube, e.g. windows, mirrors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • H01S3/08031—Single-mode emission
    • H01S3/08036—Single-mode emission using intracavity dispersive, polarising or birefringent elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08059—Constructional details of the reflector, e.g. shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)

Abstract

Un procédé et un système de l'invention peuvent comprendre un système laser à décharge gazeuse d'excimères pulsés ou de fluor moléculaire à raie rétrécie et qui peut comporter un oscillateur laser amorce produisant en sortie un faisceau lumineux d'impulsions de valeurs de sortie laser pouvant comprendre un première chambre laser à décharge gazeuse d'excimères ou de fluor moléculaire; ledit système peut également comprendre un module à raie rétrécie situé à l'intérieur d'une première cavité de l'oscillateur, un étage d'amplification laser refermant un milieu de gain amplificateur situé dans une deuxième chambre laser à décharge gazeuse d'excimères ou de fluor moléculaire recevant la valeur de sortie de l'oscillateur laser amorce et amplifiant la valeur de sortie de l'oscillateur laser amorce, de manière à constituer une valeur de sortie du système laser comprenant un faisceau lumineux d'impulsions de valeurs de sortie laser, qui peuvent comprendre un étage d'amplification de puissance en anneau dans lequel la valeur de sortie de l'oscillateur laser amorce traverse le milieu de gain amplificateur de l'étage d'amplification de puissance en anneau au moins deux fois par boucle.
PCT/US2006/041107 2005-11-01 2006-10-20 Systeme laser WO2007053335A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020087013076A KR101194231B1 (ko) 2005-11-01 2006-10-20 레이저 시스템
KR1020117014864A KR101238739B1 (ko) 2005-11-01 2006-10-20 레이저 시스템
JP2008538912A JP5506194B2 (ja) 2005-11-01 2006-10-20 レーザシステム
EP06836437.1A EP1952493A4 (fr) 2005-11-01 2006-10-20 Systeme laser

Applications Claiming Priority (24)

Application Number Priority Date Filing Date Title
US73268805P 2005-11-01 2005-11-01
US60/732,688 2005-11-01
US81442406P 2006-06-16 2006-06-16
US81429306P 2006-06-16 2006-06-16
US60/814,424 2006-06-16
US60/814,293 2006-06-16
US52183306A 2006-09-14 2006-09-14
US52205206A 2006-09-14 2006-09-14
US52185806A 2006-09-14 2006-09-14
US52190406A 2006-09-14 2006-09-14
US52186006A 2006-09-14 2006-09-14
US52190506A 2006-09-14 2006-09-14
US52183506A 2006-09-14 2006-09-14
US52190606A 2006-09-14 2006-09-14
US52183406A 2006-09-14 2006-09-14
US11/521,858 2006-09-14
US11/521,835 2006-09-14
US11/521,834 2006-09-14
US11/522,052 2006-09-14
US11/521,906 2006-09-14
US11/521,904 2006-09-14
US11/521,833 2006-09-14
US11/521,860 2006-09-14
US11/521,905 2006-09-14

Publications (2)

Publication Number Publication Date
WO2007053335A2 WO2007053335A2 (fr) 2007-05-10
WO2007053335A3 true WO2007053335A3 (fr) 2008-04-24

Family

ID=38006377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/041107 WO2007053335A2 (fr) 2005-11-01 2006-10-20 Systeme laser

Country Status (5)

Country Link
US (1) US7822092B2 (fr)
EP (1) EP1952493A4 (fr)
JP (2) JP5506194B2 (fr)
KR (2) KR101238739B1 (fr)
WO (1) WO2007053335A2 (fr)

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US7822092B2 (en) 2010-10-26
WO2007053335A2 (fr) 2007-05-10
KR101194231B1 (ko) 2012-10-29
JP2009514246A (ja) 2009-04-02
JP2011176358A (ja) 2011-09-08
JP5506194B2 (ja) 2014-05-28
KR20080066974A (ko) 2008-07-17
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KR101238739B1 (ko) 2013-03-04

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